644892012 is an even 9-digits composite number following 644892011
and preceding 644892013 . In scientific notation, it is written as 6.44892012 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 214963992 positive integers (up to 644892012) that are relatively prime to 644892012.
644892012 has 12 divisors, whose sum is 1253956760
The reverse of 644892012 is 210298446
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred forty-four million eight hundred ninety-two thousand twelve
Scientific notation
6.44892012 × 10^8
Engineering notation
6.44892012 × 10^6
Prime Factorization
2 × 2 × 9 × 17913667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
322446006
Product of the distinct prime numbers
The prime factorization of 644892012 is 2 × 2 × 9 × 17913667.
Since it has a total of 4 prime factors.
6 , 10 , 32 , 31 , 233 , 449 , 8490 , 491 , 95089 , 83108 , 380268 , 72101 , 7210262 , 9730970 , 67016766 , 87962330 , 211459887 , 638755287 , 7458209810 , 2794393937
n×2
1289784024
n×3
1934676036
n×4
2579568048
n×5
3224460060
n÷2
322446006
n÷3
214964004
n÷3
161223003
n÷5
128978402.4
n2
415885707141408144
n3
2.6820137044047E+26
n4
1.7296092140451E+35
n5
1.1154111660193E+44
2 √n
25394.724097733
3 √n
863.96403849808
4 √n
159.35722166797
5 √n
57.79594904511
1 , 2 , 4 , 9 , 18 , 36 , 17913667 , 35827334 , 71654668 , 161223003 , 322446006 , 644892012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-644892011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 644892012 can be divided by 12 positive divisors.
The sum of these divisors (counting 644892012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110011100000100010101101100
3
Ternary
1122221110220112100
4
Quaternary
212130010111230
5
Quinary
2310043021022
6
Senary
143554135100
8
Octal
4634042554
10
Decimal
644892012
12
Duodecimal
15bb81490
16
Hexadecimal
2670456c
20
Vigesimal
a1aba0c
36
Base36
any9v0
md5
b09f38bac07cbc03c88a07996ad9f6f7
sha1
df59ab34f55b1c4cea1dcc4568de1d10173e2f50
sha256
a0eb8389b4d32756c0bb52117abe1ecb30d74966536091fda92e8fedb2cb12a2
sha512
c75d5bcec6736321ea931311487327ec18f2b04181eb22e64680f96d25050040259fe37c63256965e905c3c41d9ef12573877baa414318112b6630f8345d0edb
ripemd-160
58114d13113518148e9908b06a140dfeaefe9a9a
Diameter
1289784024
Circumference
4051976014.5159
Area
1.3065434822884E+18
Volume
1.1234392734113E+27
Surface area
5.2261739291538E+18
Circumference
4051976014.5159
Perimeter
2579568048
Area
415885707141408144
Diagonal
912015029.63647
Surface area
2495314242848448864
Volume
2.6820137044047E+26
Space diagonal
1116985730.1793
Perimeter
1934676036
Area
1.8008379372766E+17
Altitude
558492865.08966
Surface area
1.8008379372766E+17
Volume
3.1607834626996E+25
Height
304005009.87882